Embryonic DevelopmentEmbryonic and Fetal DevelopmentBlastocystEmbryo ImplantationEmbryo, MammalianEmbryo LossDeciduaGenes, LethalTrophoblastsPregnancyParthenogenesisChimeraIn Situ HybridizationGene Expression Regulation, DevelopmentalHomozygoteYolk SacMolecular Sequence DataGerm LayersBase SequenceTeratogensFetal DeathMorulaMice, Inbred CBAGastrulaAbnormalities, Drug-InducedEmbryo Culture TechniquesEctodermUterusPlacentaEndodermZygoteCulture TechniquesExtraembryonic MembranesMice, Inbred ICRPregnancy, AnimalCochlear ImplantsMice, Inbred C57BLCochlear ImplantationGestational AgeMorphogenesisPolyploidyMice, Inbred StrainsEmbryo TransferCell DifferentiationTime FactorsLitter SizeCloning, OrganismNuclear Transfer TechniquesOocytesGenomic ImprintingCrosses, GeneticAdenosine DeaminaseRNA, MessengerGene ExpressionStem CellsMice, Mutant StrainsMice, TransgenicImmunohistochemistryMesodermFertilityEmbryonic Stem CellsHistocytochemistryPluripotent Stem CellsProgesteroneHeterozygoteFertilization in VitroTranscription FactorsCells, CulturedSpinal CanalProsthesis DesignFluorescent Antibody TechniqueCulture MediaDNA MethylationMice, KnockoutPhenotypeRats, Sprague-DawleyAllelesReverse Transcriptase Polymerase Chain ReactionPolymerase Chain ReactionCell DivisionDNA-Binding ProteinsMice, Inbred BALB CTreatment OutcomeCell Line